42123066 has 8 divisors (see below), whose sum is σ = 84246144. Its totient is φ = 14041020.

The previous prime is 42123049. The next prime is 42123073. The reversal of 42123066 is 66032124.

It is a sphenic number, since it is the product of 3 distinct primes.

42123066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3510250 + ... + 3510261.

It is an arithmetic number, because the mean of its divisors is an integer number (10530768).

Almost surely, 2^42123066 is an apocalyptic number.

42123066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42123066 is a wasteful number, since it uses less digits than its factorization.

42123066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020516.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 42123066 is about 6490.2285013703. The cubic root of 42123066 is about 347.9418419128.

The spelling of 42123066 in words is "forty-two million, one hundred twenty-three thousand, sixty-six".